<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
  <style>
    *{
      margin: 0;
      padding: 0;
    }
    .total{
      width: 100%;
      height: 100vh;
      background: #000;
    }
    p{
      margin-top: 100px;
      width: 50%;
      height: 50vh;
      display: inline-block;

      background: red;
    }
  </style>
</head>

<body>
  <div class="total">
    <p>dfdfdf</p>
    <p>ppppppppppp</p>
    <p>cccccccccc</p>
  </div>
  
</body>

</html>